Here’s what you’ll learn when you read this story: Our biological clock, or circadian rhythm, is immensely important to our health, and scientists are now unpacking the process’s secrets at the ...

The clocks are playing tricks again, stirring routines, shifting light, and raising doubts about what your phone will do. Across France and much of Europe, a familiar ritual returns with cooler ...

Your phone may switch on its own, but the oven clock will not. A small change is coming that can trip you up. Every autumn the same riddle returns over breakfast. Do we push the hands forward or pull ...